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Finding the Fourth Proportional to 8,524.59, 11,761.23 and 4,986.51

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Solution

The fourth proportional to 8,524.59, 11,761.23 and 4,986.51 is: 6,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.59 : 11,761.23 = 4,986.51 : x
  2. Step 2: Convert to fraction form
    8,524.59/11,761.23 = 4,986.51/x
  3. Step 3: Cross multiply
    8,524.59x = 11,761.23 × 4,986.51
  4. Step 4: Simplify right side
    8,524.59x = 58,647,491.01
  5. Step 5: Solve for x
    x = 58,647,491.01/8,524.59
  6. Step 6: Final answer
    x = 6,879.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.